Ausführliche Bedienungsanleitung
6.6 MS-ISDN........................................................................................................................................ 6-4
6.9 Doppelter Bedienkopf........................................................................................................................ 6-5
6.9.3 Audiozubehör ......................................................................................................................... 6-6
6.11 RUA/RUI ...................................................................................................................................... 6-8
6.12 Vorfall .......................................................................................................................................... 6-9
6.12.3 Vorfall-Dienstphasen ............................................................................................................ 6-10
Anhang A Töne........................................................................................................................................... A-1
Anhang B LED-Anzeigen ............................................................................................................................. B-1
Anhang C Fehlerbehebung ............................................................................................................................ C-1
vi